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Evaluation of an instrumented walkway for measurement of the kinematic parameters of gait.

Authors
Cutlip-RG; Mancinelli-C; Huber-F; DiPasquale-J
Source
Gait Posture 2000 Oct; 12(2):134-138
NIOSHTIC No.
20032345
Abstract
The purpose of this study was to compare kinematic gait parameters measured with an instrumented walkway system (GAITRite(R)) and a video-based system (peak performance motus 3.1(R)). Subjects walked across a GAITRite mat with embedded pressure sensors. Reflective markers were attached to subjects' shoes and video capture was simultaneously performed during each trial. Video data were then digitized manually using peak software. Correlation coefficients for all parameters measured with both systems were high ( greater than or equal to 0.94). Significant differences between systems were found with analysis of variance (ANOVA) for two parameters, step length and stride velocity (P = 0.003, 0.0002). The results of this study indicate that the instrumented walkway gave comparable results for temporal parameters but further investigation is needed to evaluate the fidelity of its spatial performance.
Keywords
Mathematical-models; Statistical-analysis; Standards; Walking-surfaces; Space-physiology
Contact
C Mancinelli, W Virginia Univ, Sch Med, Div Phys Therapy, POB 9226, Morgantown, WV 26506
Publication Date
20001001
Document Type
Journal Article
Fiscal Year
2001
NTIS Accession No.
NTIS Price
Issue of Publication
2
ISSN
0966-6362
NIOSH Division
DSR
Source Name
Gait and Posture
State
WV
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